Home / 65,598,642,196.60-98,554,939,741.86-42,062,990,803.96

Finding the Fourth Proportional to 65,598,642,196.60, 98,554,939,741.86 and 42,062,990,803.96

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Solution

The fourth proportional to 65,598,642,196.60, 98,554,939,741.86 and 42,062,990,803.96 is: 63,195,142,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,598,642,196.60 : 98,554,939,741.86 = 42,062,990,803.96 : x
  2. Step 2: Convert to fraction form
    65,598,642,196.60/98,554,939,741.86 = 42,062,990,803.96/x
  3. Step 3: Cross multiply
    65,598,642,196.60x = 98,554,939,741.86 × 42,062,990,803.96
  4. Step 4: Simplify right side
    65,598,642,196.60x = 4,145,515,524,046,689,140,736
  5. Step 5: Solve for x
    x = 4,145,515,524,046,689,140,736/65,598,642,196.60
  6. Step 6: Final answer
    x = 63,195,142,235.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.